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 * modification, are permitted provided that the following conditions are met:
 *
 * 1.  Redistributions of source code must retain the above copyright notice,
 *     this list of conditions and the following disclaimer.
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 *     and/or other materials provided with the distribution.
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 *     contributors may be used to endorse or promote products derived from this
 *     software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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 */

#include "dns_sd_private.h"
#include "dnssd_ipc.h"

#include <xpc/xpc.h>

xpc_object_t
DNSServiceGetRetainedResolverDefaults(void);

size_t
get_required_tlv_length_for_validation_attr(const DNSServiceAttribute *attr);

size_t
get_required_tlv_length_for_defaults(xpc_object_t defaults);

size_t
get_required_tlv_length_for_service_attr(const DNSServiceAttribute *attr);

size_t
get_required_tlv_length_for_get_tracker_info(void);

const uint8_t *
get_validation_data_from_tlvs(const uint8_t * const ptr, const uint8_t * const limit, size_t * const length);

const char *
get_tracker_hostname_from_tlvs(const uint8_t * const ptr, const uint8_t * const limit);

void
put_tlvs_for_validation_attr(const DNSServiceAttribute * const attr, ipc_msg_hdr * const hdr, uint8_t ** const ptr,
	const uint8_t * const limit);

void
put_tlvs_for_defaults(xpc_object_t defaults, ipc_msg_hdr *hdr, uint8_t **ptr, const uint8_t *limit);

void
put_tlv_to_get_tracker_info(ipc_msg_hdr * const hdr, uint8_t ** const ptr, const uint8_t * const limit);
